The new calendar was born at 8: 05 on May 30th. When was the old calendar?

2021May 30th The old calendar is April19th.

After the Revolution of 1911, the Gregorian calendar was called the new calendar, and the lunar calendar was the old calendar.

Basic information

Gregorian calendar is a new kind of calendar, also called solar calendar, which is based on the movement of the sun. This is a kind of chronological method originated from western society. Because it originated in the west and was introduced to China only during the Revolution of 1911, it is also called the new calendar.

People's Republic of China (PRC)'s calendar and year adopt the years of most countries in the world, which was decided by the first plenary session of China People's Political Consultative Conference in September. 1949. At the meeting, everyone agreed to adopt the common calendar system in most countries in the modern world, that is, adopt AD as the calendar year of new China.

On September 27th, the second of the four resolutions adopted at the first plenary session of China People's Political Consultative Conference was: "The calendar year of People's Republic of China (PRC) adopts AD". Lunar calendar: Also known as the summer calendar, it is said that it originated in the Xia Dynasty in China. According to the natural days of the year, it is divided into four seasons, twenty-four solar terms and annual festivals.

The sun sets in the west and the moon rises in the east, so you can see the full moon. Because the lunar year is about 354 days, which is about 1 1 day different from the earth year, there should be a leap month every 3 years and 7 leap months every 19 years. A year with a leap month is also called a leap year. The specific leap month depends on the elasticity of solar terms.

The lunar calendar is specified not only according to the time of the tropic year, but also according to the change of the moon phase, and it is practical by referring to the surrounding meteorological, phenological conditions and agricultural activities, so it becomes a calendar with four distinct seasons and easy memory. In China, the lunar calendar is especially suitable for the vast areas of the Central Plains.